Register for HPOS.
In this section
New users need a Provider Digital Access (PRODA) account
PRODA is an online authentication system used to securely access government online services. Once you have a PRODA account, you can access HPOS with your username, password and access code.
Requesting access to the Australian Immunisation Register (AIR)
You must request access to the AIR website before you can access AIR services.